D-Link DIR-655 - Manual (Page 47)

 D-Link DIR-655 User Manual
Section  - Configuration
Create a name for the rule that is meaningful
to you. Name:
The priority of the message flow is entered here.
The four priorities are defined as:
BK: Background (least urgent)
BE: Best Effort.
VI: Video
VO: Voice (most urgent)
Priority:
The protocol used by the messages. Protocol:
The rule applies to a flow of messages for which one computer’s IP address falls within the range set here. Host IP Range:
The rule applies to a flow of messages for which host’s port number is within the range set here. Host Port Range: